<template>
  <div class="shopcar-container">
    <div class="goods-list">
      <!-- 商品列表区域 -->
      <div class="mui-card" v-for="(item,i) in goodslist" :key="item.id">
        <div class="mui-card-content">
          <div class="mui-card-content-inner">
            <mt-switch v-model="$store.getters.getGoodsSelected[item.id]"></mt-switch>
            <img :src="item.thumb_path" alt />
            <div class="info">
              <h1>{{ item.title }}</h1>
              <p>
                <span class="price">￥{{item.sell_price}}</span>
                <numbox :initcount="$store.getters.getGoodsCount[item.id]" :goodsid="item.id"></numbox>
                <!-- 如何从购物车中获取商品的数量
                  1.  创建一个 空对象，然后循环购物车中所有商品的数据，把当前循环这条商品的ID，
                      作为对象的属性名，count值作为对象的属性值，这样，当吧所有的商品循环一遍，就会得到
                      一个对象：如：{66:2,46:2,77:9}
                -->
                <a href="#" @click.prevent="remove(item.id,i)">删除</a>
              </p>
            </div>
          </div>
        </div>
      </div>

      <!-- 结算区域 -->
      <div class="mui-card">
        <div class="mui-card-content">
          <div class="mui-card-content-inner jiesuan">
            <div class="left">
              <p>总计(不含运费)</p>
              <p>
                已勾选商品
                <span class="red">0</span>件，总价￥
                <span class="red">0</span>
              </p>
            </div>
            <mt-button type="danger">去结算</mt-button>
          </div>
        </div>
      </div>
    </div>
  </div>
</template>

<script>
import numbox from "../subcomponents/shopcar_numbox.vue";
export default {
  components: { numbox },
  data() {
    return {
      goodslist: [] //购物车中所有商品的数据
    };
  },
  created() {
    this.getShopCarList();
  },
  methods: {
    getShopCarList() {
      // 获取到store中所有商品的id，然后凭借出一个逗号分隔的字符串
      var idArr = [];
      this.$store.state.car.forEach(item => {
        idArr.push(item.id);
      });
      if (idArr.length <= 0) {
        return;
      }
      this.$http
        .get("api/goods/getshopcarlist/" + idArr.join(","))
        .then(result => {
          if (result.body.status === 0) {
            this.goodslist = result.body.message;
          }
        });
    },
    remove(id, index) {
      // 点击删除  把商品 从store中根据传递的 ID删除，同时，把当前组件中的goodslist中，对应要删除的那个商品
      // 使用index来删除
      this.goodslist.splice(index, 1);
      this.$store.commit("removeFromCar", id);
    }
  }
};
</script>

<style lang="scss" scoped>
.shopcar-container {
  background-color: #eeeeee;
  overflow: hidden;
  .goods-list {
    img {
      height: 60px;
      width: 60px;
    }
    .mui-card-content-inner {
      display: flex;
      align-items: center;
    }
    .info {
      h1 {
        font-size: 14px;
      }
      .price {
        color: red;
        font-weight: bold;
      }
    }
  }
  .jiesuan {
    display: flex;
    justify-content: space-between;
    align-content: center;
    .red {
      color: red;
      font-weight: bold;
    }
  }
}
</style>